Home / 7,216.08-10,826.21-3,520.45

Finding the Fourth Proportional to 7,216.08, 10,826.21 and 3,520.45

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Solution

The fourth proportional to 7,216.08, 10,826.21 and 3,520.45 is: 5,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.08 : 10,826.21 = 3,520.45 : x
  2. Step 2: Convert to fraction form
    7,216.08/10,826.21 = 3,520.45/x
  3. Step 3: Cross multiply
    7,216.08x = 10,826.21 × 3,520.45
  4. Step 4: Simplify right side
    7,216.08x = 38,113,130.99
  5. Step 5: Solve for x
    x = 38,113,130.99/7,216.08
  6. Step 6: Final answer
    x = 5,281.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.